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High 1 vendor · 1 advisory

CVE-2026-63809

Unified cross-vendor view: this CVE is referenced by 1 tracked vendor. Each vendor rates and fixes it independently — confirm the impact for your specific products below.

NVD detail CVE.org

Linux1 advisory

High7.0use kvfree for replaced sysctl write bufferJul 19, 2026

CVE-2026-63809 — high severity, 1 vendor affected | VulniPulse